选修八 Unit3 Inventors and inventions reading.ppt

Inventors;Important inventions in the 20th century;A discovery is finding out something already existing in nature but not yet known.;What inventions can you think of? ;The Problem of the Snakes;Skimming for general idea;A. Do some research and think of a solution. B. Apply for a patent. C. Test the solution for several times. D. Find the problem of the snakes.;The text narrates about the problem of __________ and presents the _________ of catching them and applying for _______.;The reason is that he can get a chance to ________________ by inventing some __________ things to catch snakes. ;Part2:do some research think of a solution ;1. The author could find many products to help him __catch the snakes. 2. The author researched the houses of the snakes. 3. The author decided on three possible approaches _ _ _ and used the third one at last. ;;Part4: apply for a patent ;;;; ;;;Homework;If you wish to succeed, you should use persistence as your good friend, experience as your reference, prudence as your brother and hope as your sentry. ---- Thomas Alva Edison 如果你希望成功，当以恒心为良友，以经验为参谋，以谨慎为兄弟，以希望为哨兵。---爱迪生 ;Thank you very much